Conspiracy: Take the Crown

Assemble the Rank and Vile

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly name a card. You may turn this conspiracy face up any time and reveal the chosen name.)
Creatures you control with the chosen name have "When this creature dies, you may pay {B}. If you do, put a 2/2 black Zombie creature token onto the battlefield tapped."

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Creatures you control with the chosen name have "When this creature dies, you may pay {B}. If you do, create a tapped 2/2 black Zombie creature token."